遍历任务栏上的窗体

using System.Runtime.InteropServices;

 

[DllImport("user32.DLL")]

public static extern int SendMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);

[DllImport("user32.DLL")]

public static extern IntPtr FindWindow(string lpszClass, string lpszWindow);

[DllImport("user32.DLL")]

public static extern IntPtr FindWindowEx(IntPtr hwndParent,

    IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

[DllImport("user32.dll")]

public static extern uint GetWindowThreadProcessId(IntPtr hWnd,

    out uint dwProcessId);

 

public const uint PROCESS_VM_OPERATION= 0x0008;

public const uint PROCESS_VM_READ= 0x0010;

public const uint PROCESS_VM_WRITE = 0x0020;

 

[DllImport("kernel32.dll")]

public static extern IntPtr OpenProcess(uint dwDesiredAccess,

    bool bInheritHandle, uint dwProcessId);

public const uint MEM_COMMIT = 0x1000;

public const uint MEM_RELEASE = 0x8000;

 

public const uint MEM_RESERVE = 0x2000;

public const uint PAGE_READWRITE= 4;

 

[DllImport("kernel32.dll")]

public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress,

    uint dwSize, uint flAllocationType, uint flProtect);

 

[DllImport("kernel32.dll")]

public static extern bool VirtualFreeEx(IntPtr hProcess, IntPtr lpAddress,

   uint dwSize, uint dwFreeType);

 

[DllImport("kernel32.dll")]

public static extern bool CloseHandle(IntPtr handle);

 

[DllImport("kernel32.dll")]

public static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress,

   IntPtr lpBuffer, int nSize, ref uint vNumberOfBytesRead);

 

public const int WM_USER = 0x0400;

public const int TB_BUTTONCOUNT= WM_USER + 24;

public const int TB_GETBUTTONTEXTW = WM_USER + 75;

 

private void button1_Click(object sender, EventArgs e)

{

    IntPtr vHandle = FindWindow("Shell_TrayWnd", null);

    vHandle = FindWindowEx(vHandle, IntPtr.Zero, "ReBarWindow32", null);

    vHandle = FindWindowEx(vHandle, IntPtr.Zero, "MSTaskSwWClass", null);

    vHandle = FindWindowEx(vHandle, IntPtr.Zero, "ToolbarWindow32", null);

    int vCount = SendMessage(vHandle, TB_BUTTONCOUNT, 0, 0);

    uint vProcessId;

    GetWindowThreadProcessId(vHandle, out vProcessId);

    IntPtr vProcess = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_READ |

        PROCESS_VM_WRITE, false, vProcessId);

    IntPtr vPointer = VirtualAllocEx(vProcess, IntPtr.Zero, 0x1000,

        MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);

    char[] vBuffer = new char[256];

    uint vNumberOfBytesRead = 0;

    try

    {

        for (int i = 0; i < vCount; i++)

        {

            SendMessage(vHandle, TB_GETBUTTONTEXTW, i, vPointer.ToInt32());

            ReadProcessMemory(vProcess, vPointer,

                Marshal.UnsafeAddrOfPinnedArrayElement(vBuffer, 0),

                vBuffer.Length * sizeof(char), ref vNumberOfBytesRead);

            int l = 0;

            for (int j = 0; j < vBuffer.Length; j++)

            {

                if (vBuffer[j] == (char)0)

                {

                    l = j;

                    break;

                }

            }

            Console.WriteLine(new string(vBuffer, 0, l));

        }

    }

    finally

    {

        VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);

        CloseHandle(vProcess);

    }

}

 

//-------Delphi-------

uses CommCtrl;

 

procedure TForm1.Button1Click(Sender: TObject);

var

 vHandle: THandle;

 vCount: Integer;

 I: Integer;

 vProcessID: THandle;

 vProcess: THandle;

 vNumberOfBytesRead: DWORD;

 vPointer: Pointer;

 vBuffer: array[0..255] of Char;

begin

 vHandle := FindWindow('Shell_TrayWnd', nil);

 vHandle := FindWindowEx(vHandle,0,'ReBarWindow32', nil);

 vHandle := FindWindowEx(vHandle,0,'MSTaskSwWClass', nil);

 vHandle := FindWindowEx(vHandle,0,'ToolbarWindow32', nil);

 vCount := SendMessage(vHandle, TB_BUTTONCOUNT,0,0);

 GetWindowThreadProcessId(vHandle,@vProcessId);

 vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ or

    PROCESS_VM_WRITE, False, vProcessId);

 vPointer := VirtualAllocEx(vProcess, nil,$1000, MEM_RESERVE or MEM_COMMIT,

    PAGE_READWRITE);

 try

    for I :=0 to vCount -1 do

    begin

      SendMessage(vHandle, TB_GETBUTTONTEXT, I, Integer(vPointer));

      ReadProcessMemory(vProcess, vPointer,@vBuffer,

        SizeOf(vBuffer), vNumberOfBytesRead);

      OutputDebugString(@vBuffer);

    end;

 finally

    VirtualFreeEx(vProcess, vPointer,0, MEM_RELEASE);

    CloseHandle(vProcess);

 end;

end;